Unknown (narrator or host)

Joseph and Julie Otero were found strangled to death in their split-level home.

Their son, nine year old Joey, lay bound and strangled in the next room.

In the basement, 11 year old Josephine was found hanging from a pipe.

Larry Hattaberg is a Cake TV news anchor in Wichita.

Wichita police questioned three suspects in the Otero case.

Before they were ever charged, detectives were called to the public library to read a letter found stuffed inside a book.

The letter provides details on the Otero murders only the killer would know.

The author also wrote, the code words for me will be, bind them, torture them, kill them.

They will be on the next victim.

Three years after Otero, detectives believe the man known as BTK has returned.

Wichita mobilizes quickly.

BTK, however, moves even faster.

At 8.18 on a December morning in 1977, a phone call comes in to Wichita Police.

A team of detectives dispatches to the home of Nancy Fox and finds the 25-year-old bound and strangled with her own pantyhose.

Semen is collected from her nightgown.

The Monster is a serial killer known to Wichita police as BTK.

In his need for publicity, detectives see an opportunity to engage the killer in dialogue and perhaps catch him.

On February 10, 1978, Cake TV leads its broadcast with a letter it has received from a killer looking for publicity.

BTK decides to raise the stakes for police.

In his four-page letter to the news station, he lists seven of his victims, six of whom are named.